Environment Quiz for SSC Exams



1. Which of following statement is true about the Ecotone?

A. It is meeting place of two different eco systems
B. It is meeting place of two same eco systems
C. Density of species is very low here
D. All of the above.

2. In context of environment, the term “dirty dozen” refers to
A. 12 most harmful greenhouse gases
B. 12 ozone depleting substances
C. 12 persistent organic pollutants
D. none of the above
3. Which of following statement is incorrect about the Biosphere?
A. Biosphere is combination of lithosphere, hydrosphere and Atmosphere
B. Biosphere is missing at extreme of north and south pole 
C. Organisms are uniformly present in Biosphere 
D. All of the above
4. What is the carbon credit?
A. It is the difference between the carbon emission allowed and actually emitted carbon 
B. It is the loan amount by IMF for reducing pollution 
C. It is loan given to poor people for buying Modern Stoves 
D. All of the above
5. What is the meaning of coral bleaching?
A. Paling of coral colour or decline in zooxanthellae due to climate change 
B. Impacts of excessive sea  trade on fishing industry
C. Both a and b
D. None of the above
6. Relative contributions of CO2, CH4, CFCs and N2O towards global warming are:
A. 50 %, 30 %, 10 % , and  10 % respectively 
B. 60%, 20%, 14%,  and 6% respectively 
C. 40 %, 30%, 20% and 10% respectively 
D. None of the above
7. Which of following can be used for controlling Gaseous Pollutant?
A. Arrestor
B. Incineration 
C. Absorption 
D. None of above
8. What does the high Biological Oxygen Demand (BOD) indicates?
A. High level of Microbial Pollution 
B. Low level of Microbial Pollution 
C. Absence of Microbial Pollution
D. Water is fully pure
9. What percent of area in the plain should be under forest?
A. 21 %
B. 25%
C. 17%
D. 33%
10. Biodiversity Hotspot are characterized on the basis of:
A. Endemic flowering plant and threat perception 
B. Endemic flowering plant
C. Species of flowering plants
D. None of above

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